Replace bot login polling with completion mutation

src/auth/telegram-bot-login.ts

@@ -163,14 +163,14 @@ export async function createTelegramBotLogin() {
   };
 }
 
-export async function getTelegramBotLoginStatus(token: string) {
+export async function completeTelegramBotLogin(token: string) {
   const request = await prisma.telegramLoginRequest.findUnique({
     where: { tokenHash: sha256Hex(token) },
     include: { user: true },
   });
 
   if (!request) {
-    return { status: 'EXPIRED', sessionToken: null, user: null };
+    throw new Error('Telegram login token is invalid.');
   }
 
   if (request.expiresAt <= new Date()) {
@@ -178,11 +178,14 @@ export async function getTelegramBotLoginStatus(token: string) {
       where: { id: request.id },
       data: { status: 'EXPIRED' },
     });
-    return { status: 'EXPIRED', sessionToken: null, user: null };
+    throw new Error('Telegram login token is expired.');
+  }
+
+  if (request.status !== 'CONFIRMED' || !request.sessionToken || !request.user) {
+    throw new Error('Telegram login is not confirmed.');
   }
 
   return {
-    status: request.status,
     sessionToken: request.sessionToken,
     user: request.user,
   };

src/graphql/schema.ts

@@ -6,8 +6,8 @@ import {
   type TelegramLoginData,
 } from '../auth/telegram.js';
 import {
+  completeTelegramBotLogin,
   createTelegramBotLogin,
-  getTelegramBotLoginStatus,
 } from '../auth/telegram-bot-login.js';
 import {
   listNearbyPlaces,
@@ -106,16 +106,14 @@ export const schema = /* GraphQL */ `
     expiresAt: String!
   }
 
-  type TelegramBotLoginStatus {
-    status: String!
-    sessionToken: String
-    user: User
+  type TelegramBotLoginSession {
+    sessionToken: String!
+    user: User!
   }
 
   type Query {
     health: String!
     me: User!
-    telegramBotLoginStatus(token: String!): TelegramBotLoginStatus!
     places: [Place!]!
     nearbyPlaces(input: NearbyPlacesInput!): [Place!]!
     voiceExperiences: [VoiceExperience!]!
@@ -123,6 +121,7 @@ export const schema = /* GraphQL */ `
 
   type Mutation {
     startTelegramBotLogin: TelegramBotLoginPayload!
+    completeTelegramBotLogin(token: String!): TelegramBotLoginSession!
     authenticateTelegram(input: AuthenticateTelegramInput!): AuthPayload!
     authenticateTelegramLogin(input: AuthenticateTelegramLoginInput!): AuthPayload!
     createVoiceExperience(input: CreateVoiceExperienceInput!): VoiceExperience!
@@ -137,8 +136,6 @@ export const resolvers = {
       const graphqlContext = context as GraphqlContext;
       return requireTelegramUser(graphqlContext);
     },
-    telegramBotLoginStatus: async (_: unknown, args: { token: string }) =>
-      getTelegramBotLoginStatus(args.token),
     places: async (_: unknown, __: unknown, context: unknown) => {
       const graphqlContext = context as GraphqlContext;
       await requireTelegramUser(graphqlContext);
@@ -161,6 +158,8 @@ export const resolvers = {
   },
   Mutation: {
     startTelegramBotLogin: async () => createTelegramBotLogin(),
+    completeTelegramBotLogin: async (_: unknown, args: { token: string }) =>
+      completeTelegramBotLogin(args.token),
     authenticateTelegram: async (
       _: unknown,
       args: { input: { initData: string } },